Clean Water Act discharge permit · NPDES MNG255120
DANFOSS POWER SOLUTIONS CO, Plymouth, MN: NPDES MNG255120 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
DANFOSS POWER SOLUTIONS CO, held by Danfoss, holds NPDES permit MNG255120. EPA’s file records it issued November 1, 2020 and expiring January 31, 2025.
DANFOSS POWER SOLUTIONS CO, Plymouth, Minnesota: Coverage under a general permit MNG255120, held by Danfoss; Administratively continued (past its expiration date and still in force until reissued); issued November 1, 2020, term to January 31, 2025, by STA.
- pH: 2 limits, 16 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 16 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. fahrenheit: 1 limit, 8 violations of any kind, 0 effluent exceedances.
- Phosphorus, total [as P]: 1 limit, 8 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 1 limit, 8 violations of any kind, 0 effluent exceedances.
DANFOSS POWER SOLUTIONS CO among its neighbors
EPA’s permit file holds 4 discharge permits in the Medicine Lake subwatershed (HUC 070102060501), MNG255120 among them. Its county holds 54, 2 of them major permits; MNG255120 is a minor permit.
Other permits in the Medicine Lake subwatershed (HUC 070102060501)
- AACRON INC, Plymouth: MNG250002, minor permit, permit term to January 31, 2025
- MEDIVATORS, Plymouth: MN0063541, minor permit, discharging to PARKERS L VIA STORM SEWER, permit term to April 30, 2013
- NORTHERN CON-AGG INC, Plymouth: MNG490088, minor permit, permit term to May 31, 2027
Identity
| Facility as filed | DANFOSS POWER SOLUTIONS CO |
|---|---|
| Permittee as filed | Danfoss |
| NPDES ID | MNG255120 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 1, 2020 |
| Expiration date | January 31, 2025 |
| Issuing agency | STA |
| Address | Plymouth, MN 55447 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Medicine Lake (HUC 070102060501) |
| Other EPA IDs (FRS) | RCRA handler MNR000041293 |
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 2 | 16 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 16 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 8 | 0 | ||
| Phosphorus, total [as P] | 1 | 8 | 0 | ||
| Chlorine, total residual | 1 | 8 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MNG255120.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MNG255120.
Inspections
EPA’s inspection file holds no inspection for NPDES MNG255120.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES MNG255120.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MNG255120.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
Nearby on the register
- Discharge permits in Plymouth
- Every permit record in Plymouth, A to Z
- Discharge permits in Minnesota
- Every permit record in Minnesota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.